SMSC USB2507 manual 41

Integrated USB 2.0 Compatible 7-Port Hub

Datasheet

Table 7.1 DC Electrical Characteristics (continued)

PARAMETER	SYMBOL	MIN	TYP	MAX	UNITS	COMMENTS
ICLK Input Buffer
Low Input Level	VILCK			0.8	V	TTL Levels
High Input Level	VIHCK	2.0			V
Input Leakage	IIL	-10		+10	uA	VIN = 0 to VDD33
Hysteresis	VHYSC	50		100	mV
O12 and I/O12 Type Buffer
Low Output Level	VOL			0.4	V	IOL = 12mA @ VDD33 = 3.3V
High Output Level
	VOH	2.4			V	IOH = -4mA @ VDD33 = 3.3V
Output Leakage
	IOL			+10	uA	VIN = 0 to VDD33
						(Note 1)
OD12 Type Buffer
Low Output Level	VOL			0.4	V	IOL = 12mA @ VDD33 = 3.3V
Output Leakage
	IOL	-10		+10	µA	VIN = 0 to VDD33
						(Note 1)
I/OSD12 Type Buffer
Low Output Level	VOL			0.4	V	IOL = 12 mA @ VDD33 = 3.3V
Output Leakage	IOL	-10		+10	µA	VIN = 0 to VDD33
Hysteresis	VHYSI	250	300	350	mV	(Note 1)
IO-U
(Note 2)
I-R
(Note 3)
Supply Current Unconfig-
ured
High-Speed Host	ICCINIT		100		mA
Full-Speed Host	ICCINIT		90		mA
Supply Current						Total from all supplies
Configured
(High-Speed Host)
2 Ports @ FS/LS	IHCC2		180		mA
2 Ports @ HS	IHCH2		240		mA
1 Port HS, 1 Port FS/LS	IHCH1C1		225		mA
4 Ports @ HS	IHCC4		300		mA
	IHCC7		360		mA
7 Ports @ HS

SMSC USB2507	41	Revision 2.3 (08-27-07)
	DATASHEET